2,Thickened felt material, waterproof and waterproof, and more insulation.3,Pure and simple appearance4,It has a small hidden button and a small bag. It is more convenient to hold things.5,The felt is environment-friendly material, it can be used many times and is not easy to break.Product parameters:material: fieldSize: about 22*20*20cm/7.87*7.87*7.87inPackage size: 22*20*4CM/8.66*7.87*1.57inColor: gray